#!/usr/bin/env python
# coding: utf-8

import pandas as pd


def get_nile():
    values = [1120, 1160, 963, 1210, 1160, 1160, 813, 1230, 1370, 1140,
              995, 935, 1110, 994, 1020, 960, 1180, 799, 958, 1140,
              1100, 1210, 1150, 1250, 1260, 1220, 1030, 1100, 774, 840,
              874, 694, 940, 833, 701, 916, 692, 1020, 1050, 969,
              831, 726, 456, 824, 702, 1120, 1100, 832, 764, 821,
              768, 845, 864, 862, 698, 845, 744, 796, 1040, 759,
              781, 865, 845, 944, 984, 897, 822, 1010, 771, 676,
              649, 846, 812, 742, 801, 1040, 860, 874, 848, 890,
              744, 749, 838, 1050, 918, 986, 797, 923, 975, 815,
              1020, 906, 901, 1170, 912, 746, 919, 718, 714, 740]
    index = pd.date_range('1871-01-01', freq='AS', periods=100)
    return pd.Series(values, index=index, name='Nile')


def get_airpassengers():
    values = [112, 118, 132, 129, 121, 135, 148, 148, 136, 119, 104, 118,
              115, 126, 141, 135, 125, 149, 170, 170, 158, 133, 114, 140,
              145, 150, 178, 163, 172, 178, 199, 199, 184, 162, 146, 166,
              171, 180, 193, 181, 183, 218, 230, 242, 209, 191, 172, 194,
              196, 196, 236, 235, 229, 243, 264, 272, 237, 211, 180, 201,
              204, 188, 235, 227, 234, 264, 302, 293, 259, 229, 203, 229,
              242, 233, 267, 269, 270, 315, 364, 347, 312, 274, 237, 278,
              284, 277, 317, 313, 318, 374, 413, 405, 355, 306, 271, 306,
              315, 301, 356, 348, 355, 422, 465, 467, 404, 347, 305, 336,
              340, 318, 362, 348, 363, 435, 491, 505, 404, 359, 310, 337,
              360, 342, 406, 396, 420, 472, 548, 559, 463, 407, 362, 405,
              417, 391, 419, 461, 472, 535, 622, 606, 508, 461, 390, 432]
    index = pd.date_range('1949-01-01', freq='MS', periods=144)
    return pd.Series(values, index=index, name='Air Passengers')
